Home / 205,081.62-282,690.30-140,439.06

Finding the Fourth Proportional to 205,081.62, 282,690.30 and 140,439.06

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Solution

The fourth proportional to 205,081.62, 282,690.30 and 140,439.06 is: 193,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,081.62 : 282,690.30 = 140,439.06 : x
  2. Step 2: Convert to fraction form
    205,081.62/282,690.30 = 140,439.06/x
  3. Step 3: Cross multiply
    205,081.62x = 282,690.30 × 140,439.06
  4. Step 4: Simplify right side
    205,081.62x = 39,700,760,003.12
  5. Step 5: Solve for x
    x = 39,700,760,003.12/205,081.62
  6. Step 6: Final answer
    x = 193,585.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.